Lift measurements made for various suction quantities with and without leading edge roughness with double slotted flap at its optimum position and deflection; lift and drag characteristics were similarly determined for flap retracted position.
Wind-tunnel investigation of NACA 654-421 airfoil section with double slotted flap and boundary-layer control by suction
Nat Advisory Committee Aeronautics -- Tech Note
1947
10 pages
17 Supp Sheets
Report
Englisch
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Engineering Index Backfile | 1948
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